2011201323121 has 8 divisors (see below), whose sum is σ = 2054299580640. Its totient is φ = 1968403402368.

The previous prime is 2011201323119. The next prime is 2011201323133. The reversal of 2011201323121 is 1213231021102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011201323121 - 2¹ = 2011201323119 is a prime.

It is a super-2 number, since 2×2011201323121² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2011201123121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75070656 + ... + 75097441.

It is an arithmetic number, because the mean of its divisors is an integer number (256787447580).

Almost surely, 2^{2011201323121} is an apocalyptic number.

It is an amenable number.

2011201323121 is a deficient number, since it is larger than the sum of its proper divisors (43098257519).

2011201323121 is a wasteful number, since it uses less digits than its factorization.

2011201323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150168383.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2011201323121 its reverse (1213231021102), we get a palindrome (3224432344223).

The spelling of 2011201323121 in words is "two trillion, eleven billion, two hundred one million, three hundred twenty-three thousand, one hundred twenty-one".